<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <el-input
        v-model="params.name"
        clearable
        placeholder="请输入内容"
        class="search-main"
        @clear="doSearch"
      />
      <el-button type="primary" @click="doSearch">查询</el-button>
    </div>
    <div class="create-container">
      <!-- v-if="permission.includes('park:enterprise:add_edit')" -->
      <el-button
        v-permission="'park:enterprise:add_edit'"
        type="primary"
        @click="$router.push('/addEnterprise')"
        >添加企业</el-button
      >
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table
        style="width: 100%"
        :data="exterpriseList"
        @expand-change="expandHandle"
      >
        <el-table-column type="expand">
          <template #default="scope">
            <el-table :data="scope.row.rentList">
              <el-table-column
                label="租赁楼宇"
                width="320"
                prop="buildingName"
              />
              <el-table-column label="租赁起始时间" prop="startTime">
                <template #default="rentObj">
                  {{ rentObj.row.startTime }}至{{ rentObj.row.endTime }}
                </template>
              </el-table-column>
              <el-table-column label="合同状态" prop="status">
                <template #default="scope">
                  <el-tag :type="formatInfoType(scope.row.status)">
                    {{ formatStatus(scope.row.status) }}
                  </el-tag>
                </template>
              </el-table-column>
              <el-table-column label="操作" width="180">
                <template #default="scope">
                  <el-button size="mini" type="text">续租</el-button>
                  <el-button
                    size="mini"
                    type="text"
                    :disabled="scope.row.status === 3"
                    @click="outRent(scope.row.id)"
                    >退租</el-button
                  >
                  <el-button
                    size="mini"
                    type="text"
                    :disabled="scope.row.status !== 3"
                    >删除</el-button
                  >
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>
        <el-table-column type="index" label="序号" :index="indexMethod" />
        <el-table-column label="企业名称" width="320" prop="name" />
        <el-table-column label="联系人" prop="contact" />
        <el-table-column label="联系电话" prop="contactNumber" />
        <el-table-column label="操作">
          <template #default="scope">
            <el-button
              v-permission="'park:rent:add_surrender'"
              size="mini"
              type="text"
              @click="addRent(scope.row.id)"
              >添加合同</el-button
            >
            <el-button
              v-permission="'park:enterprise:query'"
              size="mini"
              type="text"
              @click="$router.push(`/enterpriseDetail/${scope.row.id}`)"
              >查看</el-button
            >
            <el-button
              v-permission="'park:enterprise:add_edit'"
              size="mini"
              type="text"
              @click="toEditPage(scope.row.id)"
              >编辑</el-button
            >
            <el-button
              v-permission="'park:enterprise:remove'"
              size="mini"
              type="text"
              @click="delExterprise(scope.row.id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div class="page-container">
      <!-- total和page-size是必须要配置的 总页数=total/page-size -->
      <!-- @current-change必须要配置的切换页码用的 -->
      <el-pagination
        layout="total, prev, pager, next"
        :total="total"
        :page-size="params.pageSize"
        @current-change="pageChange"
      />
    </div>

    <!-- 添加合同弹框 -->
    <!-- visible: 控制弹框的显示隐藏 -->
    <!-- close事件: 弹框关闭时会执行close后面的处理函数 -->
    <!-- close-on-click-modal: 控制点击模态框是否关闭 -->
    <el-dialog
      title="添加合同"
      :visible="rentDialogVisible"
      width="580px"
      :close-on-click-modal="false"
      @close="closeDialog"
    >
      <!-- 表单区域 -->
      <!-- 表单模版 -->
      <div class="form-container">
        <el-form
          ref="addForm"
          :model="rentForm"
          :rules="rentRules"
          label-position="top"
        >
          <el-form-item label="租赁楼宇" prop="buildingId">
            <el-select v-model="rentForm.buildingId" placeholder="请选择">
              <el-option
                v-for="item in rentBuildingList"
                :key="item.id"
                :label="item.name"
                :value="item.id"
              />
            </el-select>
          </el-form-item>
          <el-form-item label="租赁起止日期" prop="rentTime">
            <el-date-picker
              v-model="rentForm.rentTime"
              type="daterange"
              range-separator="至"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
              value-format="yyyy-MM-dd"
            />
          </el-form-item>
          <el-form-item label="租赁合同" prop="contractId">
            <!-- http-request: 覆盖默人认上传 -->
            <!-- before-upLoad: 上传前的钩子 -->
            <!-- limit: 限制用户上传的最大个数 -->
            <!-- on-exceed: 超出限制时会自动执行 -->
            <!-- on-remove: 文件移除时自动执行 -->
            <el-upload
              ref="upload"
              action="#"
              :http-request="uploadHandle"
              :before-upload="beforeUpload"
              :limit="1"
              :on-exceed="onExceed"
              :on-remove="onRemove"
            >
              <el-button size="small" type="primary" plain
                >上传合同文件</el-button
              >
              <div slot="tip" class="el-upload__tip">
                支持扩展名：.doc .docx .pdf, 文件大小不超过5M
              </div>
            </el-upload>
          </el-form-item>
        </el-form>
      </div>
      <template #footer>
        <el-button size="mini" @click="closeDialog">取 消</el-button>
        <el-button size="mini" type="primary" @click="confirmAdd"
          >确 定</el-button
        >
      </template>
    </el-dialog>
  </div>
</template>

<script>
import {
  getEnterpriseListAPI,
  delExterpriseAPI,
  getRentBuildListAPI,
  createRentAPI,
  getRentListAPI,
  outRentAPI
} from '@/api/enterprise'
import { uploadAPI } from '@/api/common'
import { mapState } from 'vuex'
export default {
  name: 'EnterPrise',
  data () {
    return {
      exterpriseList: [],
      params: {
        name: '',
        page: 1,
        pageSize: 3
      },
      total: 0,
      // 控制弹框的显示与隐藏
      rentDialogVisible: false,
      rentForm: {
        buildingId: null, // 楼宇id
        contractId: null, // 合同id
        contractUrl: '', // 合同Url
        enterpriseId: null, // 企业名称
        type: 0, // 合同类型
        rentTime: [] // 合同时间
      },
      rentRules: {
        buildingId: [
          { required: true, message: '请选择楼宇', trigger: 'change' }
        ],
        rentTime: [
          { required: true, message: '请选择租赁日期', trigger: 'change' }
        ],
        contractId: [{ required: true, message: '请上传合同文件' }]
      },
      rentBuildingList: []
    }
  },
  computed: {
    // 辅助用法
    ...mapState('menu', ['permission'])
  },
  mounted () {
    // 看进入页面是否加载权限信息
    console.log('mounted', this.permission)

    this.getExterpriseList()
  },
  methods: {
    outRent (rentId) {
      this.$confirm('确认退租吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(async () => {
          // 1. 调用接口
          await outRentAPI(rentId)
          // 2. 重新拉取列表
          this.getExterpriseList()
          this.$message({
            type: 'success',
            message: '退租成功!'
          })
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
    },
    // 格式化tag类型
    formatInfoType (status) {
      const MAP = {
        0: 'warning',
        1: 'success',
        2: 'info',
        3: 'danger'
      }
      // return 格式化之后的中文显示
      return MAP[status]
    },

    // 格式化status
    formatStatus (type) {
      const TYPEMAP = {
        0: '待生效',
        1: '生效中',
        2: '已到期',
        3: '已退租'
      }
      return TYPEMAP[type]
    },
    // 3. 只有展开时获取数据并绑定
    // 点击展开或者关闭都会触发该事件
    // row是当前展开或者关闭那一行的数据
    // rows所有展开行的数据
    async expandHandle (row, rows) {
      console.log('展开或关闭', row, rows)
      const isExpend = rows.find(item => item.id === row.id)
      // 能找得到说明是展开事件，发请求获取关联列表；否则，说明是收起时间，不发请求
      if (isExpend) {
        const res = await getRentListAPI(row.id)
        // eslint-disable-next-line require-atomic-updates
        row.rentList = res.data
      }
    },
    onRemove () {
      console.log('移除了文件')
      this.rentForm.contractId = ''
      this.rentForm.contractUrl = ''
      this.$refs.addForm.validateField('contractId')
    },
    // 超出限制时的提示
    onExceed () {
      this.$message.warning('文件超出最大限制')
    },
    // 上传前的校验
    beforeUpload (file) {
      const fileType = [
        'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
        'application/msword',
        'application/pdf'
      ]
      const result = fileType.includes(file.type)
      const isLt5M = file.size / 1024 / 1024 < 5
      if (result && isLt5M) {
        return true
      } else {
        this.$message.warning('文件不符合要求，请重新选择')
        return false
      }
    },
    // 上传合同
    async uploadHandle (fileData) {
      // 1. 处理FormData
      const { file } = fileData
      const formData = new FormData()
      formData.append('file', file)
      formData.append('type', 2)
      // 2. 上传并赋值
      const res = await uploadAPI(formData)
      const { id, url } = res.data
      this.rentForm.contractId = id
      this.rentForm.contractUrl = url
      // 单独校验表单
      this.$refs.addForm.validate('contractId')
    },
    // 打开
    async addRent (id) {
      this.rentDialogVisible = true
      const res = await getRentBuildListAPI()
      this.rentBuildingList = res.data
      // 把企业id存入表单对象
      this.rentForm.enterpriseId = id
    },
    // 关闭弹框
    closeDialog () {
      this.rentDialogVisible = false
      // 怎么去清空?
      // resetFields 只能清空绑定了prop的表单域
      // 这一行清空校验提示
      this.$refs.addForm.resetFields()
      // 清空表单中数据
      this.rentForm = {
        buildingId: null, // 楼宇id
        contractId: null, // 合同id
        contractUrl: '', // 合同Url
        enterpriseId: null, // 企业名称
        type: 0, // 合同类型
        rentTime: [] // 合同时间
      }
      this.$refs.upload.clearFiles()
    },
    // 准备查询后调方法
    doSearch () {
      this.params.page = 1
      this.getExterpriseList()
    },
    // 获取列表
    async getExterpriseList () {
      const res = await getEnterpriseListAPI(this.params)
      // 给列表中的每一个数据添加一个额外的属性
      this.exterpriseList = res.data.rows.map(item => {
        return {
          ...item,
          rentList: []
        }
      })
      this.total = res.data.total
    },
    pageChange (page) {
      // 更改参数
      this.params.page = page
      // 重新获取数据渲染
      this.getExterpriseList()
    },
    indexMethod (index) {
      // console.log(this.page - 1)
      return (this.params.page - 1) * this.params.pageSize + 1 + index
    },
    toEditPage (id) {
      this.$router.push({
        path: '/addEnterprise',
        query: {
          id
        }
      })
    },
    toDetailPage (id) {
      // this.$router.push({
      //   path: '/enterpriseDetail',
      //   query: {
      //     id
      //   }
      // })
    },
    delExterprise (id) {
      this.$confirm('确认删除该企业吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(async () => {
          await delExterpriseAPI(id)
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
          // 删除的是最后一页的最后一条数据，回到前一页
          if (this.exterpriseList.length === 1 && this.params.page > 1) {
            this.params.page--
          }
          this.getExterpriseList()
        })
        .catch(() => {})
    },
    // 确认提交
    confirmAdd () {
      this.$refs.addForm.validate(async valid => {
        if (valid) {
          const { buildingId, contractId, contractUrl, enterpriseId, type } =
            this.rentForm
          await createRentAPI({
            buildingId,
            contractId,
            contractUrl,
            enterpriseId,
            type,
            startTime: this.rentForm.rentTime[0],
            endTime: this.rentForm.rentTime[1]
          })
          this.$message.success('添加合同成功')
          // 更新列表
          this.getExterpriseList()
          // 关闭弹框
          // this.rentDialogVisible = false

          // 关闭弹框 + 清空数据
          this.closeDialog()
        }
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.department-container {
  padding: 10px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, 0.9);
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}
.create-container {
  margin: 10px 0px;
}
.page-container {
  padding: 4px 0px;
  text-align: right;
}
.form-container {
  padding: 0px 80px;
}
</style>
